Environmental philosophers are often concerned to show that non-sentient things, such as plants or ecosystems, have interests and therefore are appropriate objects of moral concern. They deny that mentality is a necessary condition for having interests. Yet they also deny that they are committed to recognizing interests in things like machines. I argue that either machines have interests (and hence moral standing) too or mentality is a necessary condition for inclusion within the purview of morality. I go on to argue that the aspect of mentality necessary for having interests is more complicated than mere sentience